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connection\",\"protocol\":\"mongodb\",\"hostname\":\"mongodb\",\"port\":\"27017\",\"dbName\":\"nodered\",\"appName\":\"nodered\",\"authSource\":\"admin\",\"authMechanism\":\"SCRAM-SHA-256\",\"tls\":false,\"tlsCAFile\":\"\",\"tlsCertificateKeyFile\":\"\",\"tlsInsecure\":false,\"connectTimeoutMS\":\"\",\"socketTimeoutMS\":\"\",\"minPoolSize\":\"\",\"maxPoolSize\":\"\",\"maxIdleTimeMS\":\"\",\"uri\":\"\",\"advanced\":\"{\\\"connectTimeoutMS\\\": 30000}\",\"uriTabActive\":\"tab-uri-simple\"},{\"id\":\"cb6ee58e56f0578d\",\"type\":\"global-config\",\"env\":[],\"modules\":{\"node-red-contrib-mongodb4\":\"3.4.0\"}}]","\u003Ch1 id=\"node-red-contrib-mongodb4\">\u003Ca class=\"header-anchor\" href=\"#node-red-contrib-mongodb4\">node-red-contrib-mongodb4\u003C\u002Fa>\u003C\u002Fh1>\n\u003Cp>A MongoDB driver node for Node-RED that exposes the native MongoDB Node.js driver features without limitations.\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fwww.npmjs.org\u002Fpackage\u002Fnode-red-contrib-mongodb4\">\u003Cimg src=\"https:\u002F\u002Fimg.shields.io\u002Fnpm\u002Fv\u002Fnode-red-contrib-mongodb4.svg?style=flat-square\" alt=\"npm version\" \u002F>\u003C\u002Fa> \u003Ca href=\"https:\u002F\u002Fpackagephobia.now.sh\u002Fresult?p=node-red-contrib-mongodb4\">\u003Cimg src=\"https:\u002F\u002Fimg.shields.io\u002Fbadge\u002Fdynamic\u002Fjson?url=https:\u002F\u002Fpackagephobia.com\u002Fv2\u002Fapi.json?p=node-red-contrib-mongodb4&query=$.install.pretty&label=install%20size&style=flat-square\" alt=\"install size\" \u002F>\u003C\u002Fa> \u003Ca href=\"https:\u002F\u002Fnpm-stat.com\u002Fcharts.html?package=node-red-contrib-mongodb4\">\u003Cimg src=\"https:\u002F\u002Fimg.shields.io\u002Fnpm\u002Fdm\u002Fnode-red-contrib-mongodb4.svg?style=flat-square\" alt=\"npm downloads\" \u002F>\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>This package provides two Node-RED nodes:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>Config Node\u003C\u002Fstrong> — manage MongoDB connections and connection pools.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Flow Node\u003C\u002Fstrong> — perform database and collection operations using the native MongoDB driver API.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>Table of Contents\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Installation\u003C\u002Fli>\n\u003Cli>Quick Start\u003C\u002Fli>\n\u003Cli>Compatibility\u003C\u002Fli>\n\u003Cli>Configuration Node\u003C\u002Fli>\n\u003Cli>Flow Node\u003C\u002Fli>\n\u003Cli>BSON Types\u003C\u002Fli>\n\u003Cli>Development\u003C\u002Fli>\n\u003Cli>Links\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch2 id=\"installation\">\u003Ca class=\"header-anchor\" href=\"#installation\">Installation\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cp>From your \u003Ccode>~\u002F.node-red\u003C\u002Fcode> directory run:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-bash\">npm install --save --omit=dev node-red-contrib-mongodb4\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch2 id=\"quick-start\">\u003Ca class=\"header-anchor\" href=\"#quick-start\">Quick Start\u003C\u002Fa>\u003C\u002Fh2>\n\u003Col>\n\u003Cli>Add a \u003Cstrong>MongoDB Config Node\u003C\u002Fstrong> and configure the connection (URI or host\u002Fport, database, auth).\u003C\u002Fli>\n\u003Cli>Add a \u003Cstrong>MongoDB Flow Node\u003C\u002Fstrong> and select the config node, operation and collection.\u003C\u002Fli>\n\u003Cli>Pass operation arguments into \u003Ccode>msg.payload\u003C\u002Fcode> as an array — the array items are passed as function arguments to the driver.\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Cp>Examples\u003C\u002Fp>\n\u003Cp>Insert one document:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">msg.payload = [{ name: 'Anna', age: 1 }];\nreturn msg;\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>Find with query and options:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">const query = { age: 22 };\nconst options = { sort: { name: 1 }, projection: { name: 1 }, limit: 10, skip: 2 };\nmsg.payload = [query, options];\nreturn msg;\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>Aggregate (pipeline + options):\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">const pipeline = [ { $sort: { age: 1 } }, { $project: { name: 1 } }, { $limit: 10 } ];\nconst options = { allowDiskUse: true };\nmsg.payload = [pipeline, options];\nreturn msg;\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cblockquote>\n\u003Cp>Note: for aggregation you often end up with an array inside the payload array: \u003Ccode>msg.payload = [pipeline]\u003C\u002Fcode>.\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch2 id=\"compatibility\">\u003Ca class=\"header-anchor\" href=\"#compatibility\">Compatibility\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>Node-RED >= v3.0.0\u003C\u002Fli>\n\u003Cli>Node.js >= v16.20.1\u003C\u002Fli>\n\u003Cli>Compatible with MongoDB server versions: 4.0, 4.2, 4.4, 5.0, 6.0, 7.0, 8.0 (depending on driver)\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>Version 3.x of this package uses the MongoDB driver v6.12 and contains breaking changes from earlier driver major versions — see the official MongoDB driver upgrade notes: https:\u002F\u002Fwww.mongodb.com\u002Fdocs\u002Fdrivers\u002Fnode\u002Fcurrent\u002Fupgrade\u002F#version-6.0-breaking-changes\u003C\u002Fp>\n\u003Ch2 id=\"configuration-node\">\u003Ca class=\"header-anchor\" href=\"#configuration-node\">Configuration Node\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cp>The config node creates a \u003Ccode>MongoClient\u003C\u002Fcode> and manages a connection pool. You can configure connection details in two ways:\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Simple fields: protocol (\u003Ccode>mongodb\u003C\u002Fcode> \u002F \u003Ccode>mongodb+srv\u003C\u002Fcode>), hostname, port, database, username\u002Fpassword, auth source\u002Fmechanism.\u003C\u002Fli>\n\u003Cli>Full URI: provide a complete connection string.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>Connection-related options available in the node include \u003Ccode>connectTimeoutMS\u003C\u002Fcode>, \u003Ccode>socketTimeoutMS\u003C\u002Fcode>, \u003Ccode>minPoolSize\u003C\u002Fcode>, \u003Ccode>maxPoolSize\u003C\u002Fcode>, \u003Ccode>maxIdleTimeMS\u003C\u002Fcode> and other \u003Ccode>MongoClientOptions\u003C\u002Fcode> (JSON).\u003C\u002Fp>\n\u003Cp>TLS options are supported: CA file, client certificate\u002Fkey file, and an option to disable certificate verification (not recommended).\u003C\u002Fp>\n\u003Cp>The config node will automatically generate an application name if you don't provide one (e.g. \u003Ccode>nodered-xxxxx\u003C\u002Fcode>). The application name is logged and can be used to inspect connections on the server.\u003C\u002Fp>\n\u003Cp>Example server-side check:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">db.currentOp(true).inprog.reduce((acc, conn) => {\n    const appName = conn.appName || 'unknown';\n    acc[appName] = (acc[appName] || 0) + 1;\n    acc.totalCount = (acc.totalCount || 0) + 1;\n    return acc;\n}, { totalCount: 0 });\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch2 id=\"flow-node\">\u003Ca class=\"header-anchor\" href=\"#flow-node\">Flow Node\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cp>Use the flow node to execute collection or database operations.\u003C\u002Fp>\n\u003Cp>Key options\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>Mode \u002F msg.mode\u003C\u002Fstrong>: \u003Ccode>collection\u003C\u002Fcode> or \u003Ccode>db\u003C\u002Fcode> (selects whether you call collection APIs or database APIs)\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Collection \u002F msg.collection\u003C\u002Fstrong>: target collection name\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Operation \u002F msg.operation\u003C\u002Fstrong>: driver operation name (e.g. \u003Ccode>find\u003C\u002Fcode>, \u003Ccode>findOne\u003C\u002Fcode>, \u003Ccode>insertOne\u003C\u002Fcode>, \u003Ccode>updateMany\u003C\u002Fcode>, \u003Ccode>aggregate\u003C\u002Fcode>, \u003Ccode>command\u003C\u002Fcode>, \u003Ccode>stats\u003C\u002Fcode>)\u003C\u002Fli>\n\u003Cli>\u003Cstrong>msg.payload\u003C\u002Fstrong>: an array of arguments passed to the driver method\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Output\u003C\u002Fstrong>: for \u003Ccode>find\u003C\u002Fcode> and \u003Ccode>aggregate\u003C\u002Fcode>, choose \u003Ccode>toArray\u003C\u002Fcode> or \u003Ccode>forEach\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Cstrong>maxTimeMS\u003C\u002Fstrong>: server-side operation timeout\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>Common collection operations: \u003Ccode>find\u003C\u002Fcode>, \u003Ccode>findOne\u003C\u002Fcode>, \u003Ccode>insertOne\u003C\u002Fcode>, \u003Ccode>insertMany\u003C\u002Fcode>, \u003Ccode>updateOne\u003C\u002Fcode>, \u003Ccode>updateMany\u003C\u002Fcode>, \u003Ccode>deleteOne\u003C\u002Fcode>, \u003Ccode>deleteMany\u003C\u002Fcode>, \u003Ccode>aggregate\u003C\u002Fcode>.\u003C\u002Fp>\n\u003Cp>Deprecated: the legacy \u003Ccode>insert\u003C\u002Fcode>, \u003Ccode>update\u003C\u002Fcode>, \u003Ccode>delete\u003C\u002Fcode> helper methods are not supported by modern drivers — use the newer specific methods instead.\u003C\u002Fp>\n\u003Cp>The node returns the driver's response in \u003Ccode>msg.payload\u003C\u002Fcode>.\u003C\u002Fp>\n\u003Ch2 id=\"bson-types\">\u003Ca class=\"header-anchor\" href=\"#bson-types\">BSON Types\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cp>If you need BSON types (e.g. \u003Ccode>ObjectId\u003C\u002Fcode>, \u003Ccode>Double\u003C\u002Fcode>, \u003Ccode>Timestamp\u003C\u002Fcode>) from the driver inside function nodes, add the driver to \u003Ccode>functionGlobalContext\u003C\u002Fcode> in your Node-RED \u003Ccode>settings.js\u003C\u002Fcode>:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">functionGlobalContext: {\n    mongodb: require('node-red-contrib-mongodb4\u002Fnode_modules\u002Fmongodb')\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>Then in a function node:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">const { ObjectId } = global.get('mongodb');\nmsg.payload = [{ _id: new ObjectId('624b527d08e23628e99eb963') }];\nreturn msg;\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>The flow node can optionally convert string \u003Ccode>_id\u003C\u002Fcode> fields that look like valid \u003Ccode>ObjectId\u003C\u002Fcode>s to real \u003Ccode>ObjectId\u003C\u002Fcode> instances (deprecated feature — prefer explicit BSON types).\u003C\u002Fp>\n\u003Ch2 id=\"development\">\u003Ca class=\"header-anchor\" href=\"#development\">Development\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cp>Start a local development environment (Node-RED + MongoDB) using the included \u003Ccode>docker-compose.yml\u003C\u002Fcode>:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-bash\">docker compose up -d\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>Stop and remove containers:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-bash\">docker compose down\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>Node-RED will be available at \u003Ccode>http:\u002F\u002Flocalhost:1880\u003C\u002Fcode> by default. Replace environment variables in \u003Ccode>docker-compose.yml\u003C\u002Fcode> with secure values for CI or production.\u003C\u002Fp>\n\u003Ch2 id=\"links\">\u003Ca class=\"header-anchor\" href=\"#links\">Links\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>Example flow: https:\u002F\u002Fraw.githubusercontent.com\u002Fcsteinba\u002Fnode-red-contrib-mongodb4\u002Fmaster\u002Fexamples\u002Fexample-1.json\u003C\u002Fli>\n\u003Cli>Collection API docs (driver): https:\u002F\u002Fmongodb.github.io\u002Fnode-mongodb-native\u002F6.21\u002Fclasses\u002FCollection.html\u003C\u002Fli>\n\u003Cli>MongoDB Node.js driver docs: https:\u002F\u002Fwww.mongodb.com\u002Fdocs\u002Fdrivers\u002Fnode\u002Fcurrent\u002F\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fmongodb.github.io\u002Fnode-mongodb-native\u002F6.21\u002Fclasses\u002FCollection.html\">Collection-API v6.21\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch3 id=\"payload-output\">\u003Ca class=\"header-anchor\" href=\"#payload-output\">Payload Output\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cp>The node will output the database driver response as message payload.\nThe operations \u003Ccode>aggregate\u003C\u002Fcode> and \u003Ccode>find\u003C\u002Fcode> can output with \u003Ccode>toArray\u003C\u002Fcode> or \u003Ccode>forEach\u003C\u002Fcode>.\u003C\u002Fp>\n\u003Ch3 id=\"how-to-use-bson-data-types-with-this-node\">\u003Ca class=\"header-anchor\" href=\"#how-to-use-bson-data-types-with-this-node\">How to use BSON data types with this Node\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cp>You can use BSON types with this node.\u003C\u002Fp>\n\u003Cp>First enable \"mongodb\" in your function global context. Add this to your \u003Ccode>settings.js\u003C\u002Fcode> file - typically this file located in \u003Ccode>~\u002F.node-red\u003C\u002Fcode>:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">functionGlobalContext: {\n    mongodb: require(\"node-red-contrib-mongodb4\u002Fnode_modules\u002Fmongodb\")\n},\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>This kind of require statement ensures that we use the BSON types from the mongodb driver used in this node. Otherwise we could run into compatibilty issues.\u003C\u002Fp>\n\u003Cp>You can now use BSON types in your function node like so:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-js\">\u002F\u002F get BSON types\nconst {ObjectId, Double, Timestamp} = global.get(\"mongodb\");\n\u002F\u002F write your query\nmsg.payload = [{\n    _id: new ObjectId() , \n    value: new Double(1.4), \n    ts: new Timestamp()\n}];\n\u002F\u002F send them to the mongodb node\nreturn msg;\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch3 id=\"node-status\">\u003Ca class=\"header-anchor\" href=\"#node-status\">Node Status\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cp>Node status information is displayed below the node:\u003C\u002Fp>\n\u003Ch4 id=\"tags\">\u003Ca class=\"header-anchor\" href=\"#tags\">Tags\u003C\u002Fa>\u003C\u002Fh4>\n\u003Cul>\n\u003Cli>\u003Cstrong>s\u003C\u002Fstrong> : Number of successful executions\u003C\u002Fli>\n\u003Cli>\u003Cstrong>err\u003C\u002Fstrong> : Number of failed executions\u003C\u002Fli>\n\u003Cli>\u003Cstrong>rt\u003C\u002Fstrong> : Last execution runtime in ms\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch4 id=\"colors\">\u003Ca class=\"header-anchor\" href=\"#colors\">Colors\u003C\u002Fa>\u003C\u002Fh4>\n\u003Cul>\n\u003Cli>\u003Cstrong>green\u003C\u002Fstrong> : Last execution was successful\u003C\u002Fli>\n\u003Cli>\u003Cstrong>blue\u003C\u002Fstrong> : Node execution in progress\u003C\u002Fli>\n\u003Cli>\u003Cstrong>red\u003C\u002Fstrong> : Last execution failed\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3 id=\"more-general-driver-information\">\u003Ca class=\"header-anchor\" href=\"#more-general-driver-information\">More general driver information\u003C\u002Fa>\u003C\u002Fh3>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fwww.mongodb.com\u002Fdocs\u002Fdrivers\u002Fnode\u002Fcurrent\u002F\">Visit the MongoDB Driver Docs\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch2 id=\"development-run-with-docker-compose\">\u003Ca class=\"header-anchor\" href=\"#development-run-with-docker-compose\">Development: Run with Docker Compose\u003C\u002Fa>\u003C\u002Fh2>\n\u003Cp>You can start a local development environment with Node-RED and MongoDB using the included \u003Ccode>docker-compose.yml\u003C\u002Fcode> file. This starts two containers on a shared network and uses named Docker volumes for persistence.\u003C\u002Fp>\n\u003Cp>Start the stack:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-bash\">docker compose up -d\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>Stop and remove containers:\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-bash\">docker compose down\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>Environment variables are set inside \u003Ccode>docker-compose.yml\u003C\u002Fcode> with example values. For production or CI, replace them with secure values or set them in a \u003Ccode>.env\u003C\u002Fcode> file.\u003C\u002Fp>\n\u003Cp>Node-RED will be available on \u003Ccode>http:\u002F\u002Flocalhost:1880\u003C\u002Fcode>.\u003C\u002Fp>\n",1784738654095]